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GameHacking.org Weekly Hacking Target (04-24-11- 05-01-11) - Faxanadu [NES]

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  • GameHacking.org Weekly Hacking Target (04-24-11- 05-01-11) - Faxanadu [NES]

    This week's hacking target will be Faxanadu, for the NES.

    The rules are simple: hack whatever you like, as long as it hasn't been hacked, and post in this thread with any codes/progress/questions/requests (yes, requests are welcome). To verify what's already been hacked, take a look at these four pages (yeah, we're still working on migrating BSFree into our main DB):

    http://gamehacking.org/?s=v2&sys=5&gid=4429
    http://gamehacking.org/?s=v2&sys=5&gid=15

    If you don't have the game, or don't want to hack it, wait until next week, and if you like, suggest the next game in the main "GameHacking.org Weekly Hacking Target" thread.

    Though the week technically starts tomorrow morning, feel free to get a head start

    Happy hacking!
    I may be lazy, but I can...zzzZZZzzzZZZzzzZZZ...

  • #2
    In the spirit of starting things off, I've hacked a mostly useless code:

    Elevation mod - 00A1 ??

    90 - Normal elevation
    80 - A couple feet of the ground
    60 - Several feet off the ground

    Note: This code will cause your character to float at the elevation you specify. However, there is a fairly large downside: if your character isn't moving when you enable the code, he won't be able to until you disable it. If your character is moving when you enable the code, he will continue to float in that direction until you disable the code.
    I may be lazy, but I can...zzzZZZzzzZZZzzzZZZ...

    Comment


    • #3
      Damn this game has just about all good codes done for it, well I will have a look at it myself and edit this post when I have something.
      Spoiler Alert! Click to view...

      THE BAD GUY!!!!!!

      Comment


      • #4
        Code:
        Spider Man Mode(Press up to climb anywhere. Lets you enter doors.)
        AUKTOEAO
        GZKINZEL
        Last edited by nolberto82; 04-24-2011, 12:21:19 AM.
        I'm not taking any requests.

        Check out some of my hacks on Youtube.

        Comment


        • #5
          Faxanadu (PRG1)


          EESTTKAA
          Super high jump. Best to use this on an emulator and only turn it on when you need to use it. If it's on all the time, you'll probably get stuck somewhere. Very useful where there are high ladders, etc.


          LEOAVAAA
          Makes most weapons MUCH stronger. You can easily kill the first boss with one hit. Not sure if it works with other weapons yet (will update when I find out). UPDATE: It also works on the Long Sword.


          I made a walk thru walls code, but it's pretty much useless (you can get stuck too easily). I may try improving it later. AONTLPEY = WTW (walking right only).


          EDIT: I wonder if there's much of a difference between the 2 versions (PRG0 & PRG1)?
          Last edited by Tony H; 04-24-2011, 11:23:30 AM. Reason: Updated LEOAVAAA code description
          The Code Hut: http://codehut.gshi.org/

          Comment


          • #6
            Wow, awesome work. I didn't expect any good codes to be hacked so quickly. I especially like the SpiderMan Mode. I didn't think about that.

            A room mod would be cool, but I think I remember it being a bastard to hack last time I tried. Maybe I'll try my hand at it again. Who knows, there could be some unfinished rooms, or even a debug room...
            I may be lazy, but I can...zzzZZZzzzZZZzzzZZZ...

            Comment


            • #7
              Originally posted by nolberto82 View Post
              Code:
              Spider Man Mode(Press up to climb anywhere. Lets you enter doors.)
              AUKTOEAO
              GZKINZEL
              I thought of this, but couldn't figure out how to pinpoint the right routine. Can I ask how you found this address?

              Originally posted by Lazy Bastard View Post
              A room mod would be cool, but I think I remember it being a bastard to hack last time I tried. Maybe I'll try my hand at it again. Who knows, there could be some unfinished rooms, or even a debug room...
              Hunting for easter eggs today are we?
              Please put all complaints in writing and submit them here.

              Above link not working? Try here.

              Comment


              • #8
                nolberto82 always comes up with some really good code ideas.

                Update on one of my codes above. The code appears to work on most (all?) weapons. The small dagger normally does 5 damage, but with the code, it does 169 damage. The other weapons should have similar increases.

                LEOAVAAA
                Makes most weapons MUCH stronger.
                The Code Hut: http://codehut.gshi.org/

                Comment


                • #9
                  Here's a jump modifier that actually edits the jump stepper. original value is 08, and a value of 70 gets you almost to the top of the screen. I've found 30 to be a good height. Each address needs the same value, so you are still on the ground after you jump.

                  The hard-coded Y-pos(difference) stepper starts at $E4D6 and ends at $E4F5, ($3E4D6 and $3E4F5 in the rom) and these codes edit these two addresses. You could edit the whole stepper to make the jump smoother, but you'd need another 20 codes.

                  Values at 30, around double height-
                  AUSTTKAA
                  AUNTIKAA

                  Values at 60, really high jump
                  AVSTTKAA
                  AVNTIKAA

                  Like the other code a couple of posts up, a really high jump in the wrong place will get you stuck. If you find yourself stuck below ground, and you're using an emulator, you can change $00A1 to 0x00, and you'll drop from the sky.
                  Please put all complaints in writing and submit them here.

                  Above link not working? Try here.

                  Comment


                  • #10
                    Hunting for easter eggs today are we?
                    Heh, nice.


                    Cool @ more powerful attacks and a properly-hacked moonjumps
                    I may be lazy, but I can...zzzZZZzzzZZZzzzZZZ...

                    Comment


                    • #11
                      Originally posted by rimsky82
                      I thought of this, but couldn't figure out how to pinpoint the right routine. Can I ask how you found this address?
                      I put a breakpoint on read on address 0xA1. The routine is at 0xE8B2.

                      Code:
                      Items are Free
                      AIKEYGEL
                      
                      One Hit Kill
                      GXOEXAEL
                      Last edited by nolberto82; 04-24-2011, 02:51:04 PM.
                      I'm not taking any requests.

                      Check out some of my hacks on Youtube.

                      Comment


                      • #12
                        ASOKPSAZ
                        Wing Boots last twice as long.
                        Last edited by Tony H; 04-25-2011, 07:46:57 PM.
                        The Code Hut: http://codehut.gshi.org/

                        Comment


                        • #13
                          LAEAZZAA
                          Makes magic MUCH stronger (only tested on Deluge so far). Example: Deluge's damage is increased from 6 to 145.

                          This is the same type of code as the "stronger weapons" code, so it should work on most (or all?) magic. I'll update it when I test it on other magic.
                          The Code Hut: http://codehut.gshi.org/

                          Comment


                          • #14
                            I've always liked "Shop Mod" codes, so...

                            PANXPGAA
                            Lets you buy the Long Sword instead of the Small Dagger in the Eolis tool shop (the town where you start the game).

                            LANXPGAA
                            Lets you buy the Dragon Slayer instead of the Small Dagger in the Eolis tool shop.

                            This code can be easily modified to let you buy any item you want in the Eolis Tool Shop. Some of the values are: 00 Small Dagger, 01 Long Sword, 02 Giant Blade, 03 Dragon Slayer, 0F Death (magic), etc. Note that some of the items can't be equipped until later in the game.

                            I'll make the rest of the shop mod codes tomorrow.

                            EDIT: I found out that I'll need to make a separate code for each type of item (weapons, magic, etc). If I modify one of the codes above to give me the Death magic, it thinks it's a weapon. I'll get all the codes figured out and posted tomorrow.
                            Last edited by Tony H; 04-24-2011, 08:49:54 PM.
                            The Code Hut: http://codehut.gshi.org/

                            Comment


                            • #15
                              In the spirit of Easter... :P

                              Hold Jump button to hop
                              TPKVZKPP

                              Also, in honor of one of my favorite SMB3 codes, here's a multi-jump. I wish it was as good as the one for smb3, but it's not, because it won't let you jump at the end of the descent, and you can't change directions mid-air. However, it is good for jumping over enemies and to high places, and I haven't seen it glitch like the moon-jump codes.

                              I also overwrote a couple of instructions that zeroed the memory at $00B1, so I don't know if that will cause a glitch. I wish I could have done a better one with one code, but the asm doesn't always allow it.

                              Multi-Jump
                              VZKTAKOZ
                              PPKTPGAE
                              ALKTZGSA
                              PAKTLGOU
                              Please put all complaints in writing and submit them here.

                              Above link not working? Try here.

                              Comment

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